スポット光レーザセンサによる開先およびビード形状の計測

概要

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In order to advance automatic arc welding and progress quality of welding, the spot laser sensing system has been developed which can be used by general articulated welding robots. The sensor head is attached to the side of welding torch when sensing and detached before welding because of ensuring approach to narrow areas and avoiding influence of arc. It is the main characteristic of this sensor that the robot user can easily introduce exclusive functions for each work piece. In this study, sensing practical applications have been developed for the purpose of improving functions of wire touch sensor and realizing new functions. As a result, it is ascertained to be able to correct welding points and decide welding conditions by measuring groove shapes. Furthermore, evaluating quality of welding becomes possible by measuring inspection of weld bead shape in the same system.
2000-02-05